package com.moji.service.impl;

import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.moji.common.entity.MyPage;
import com.moji.common.utils.DateUtils;
import com.moji.common.utils.PageUtil;
import com.moji.entity.MjNews;
import com.moji.entity.MjOpinion;
import com.moji.entity.MjOrder;
import com.moji.entity.dto.QueryNewsDto;
import com.moji.mapper.MjNewsMapper;
import com.moji.service.MjNewsService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.moji.util.IdGenerator;
import com.moji.util.MoJiCommonUtils;
import com.moji.util.XMLAppendExample;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Date;
import java.util.List;

/**
 * <p>
 * 新闻中心表 服务实现类
 * </p>
 *
 * @author ccl
 * @since 2024-07-28
 */
@Service
public class MjNewsServiceImpl extends ServiceImpl<MjNewsMapper, MjNews> implements MjNewsService {

    @Resource
    private IdGenerator idGenerator;

    @Override
    public MyPage<MjNews> queryByPage(QueryNewsDto dto) {
        LambdaQueryWrapper<MjNews> wrapper = new LambdaQueryWrapper<>();
        //创建时间倒叙
        if(ObjectUtil.isNotEmpty(dto.getTitle()))
        {
            wrapper.like(MjNews::getTitle,dto.getTitle());
        }
        wrapper.orderByAsc(MjNews::getSort);
        PageHelper.startPage(dto.getPageNum(), dto.getPageSize());
        List<MjNews> mjNewsList = list(wrapper);
        PageInfo<MjNews> info = new PageInfo<>(mjNewsList);
        return PageUtil.PageInfo2MyPage(info);
    }

    @Override
    public boolean delete(Long id) {
        if(ObjectUtil.isEmpty(id)){
            throw new RuntimeException("主键ID不能为空,请核查!");
        }
        return this.removeById(id);
    }

    @Override
    public boolean add(MjNews mjNews) {

        String code= idGenerator.idGenerator("XWZX");
        mjNews.setCode(code);
        if(ObjectUtil.isNotEmpty(mjNews.getSort())){
            mjNews.setSort(mjNews.getSort());
        }else{
            mjNews.setSort(1);
        }
        mjNews.setCreateId(MoJiCommonUtils.getUserCode());
        mjNews.setUpdateId(MoJiCommonUtils.getUserCode());
        mjNews.setCreateTime(new Date());
        mjNews.setUpdateTime(new Date());

        //更新sitemap.xml文件
        LambdaQueryWrapper<MjNews> wrapper=new LambdaQueryWrapper<>();
        wrapper.orderByDesc(MjNews::getId);
        wrapper.last("limit 1");
        MjNews mjNewsMax=this.getOne(wrapper);
        String url="http://47.93.153.16/news/detail/"+(mjNewsMax.getId()+1);
        String date= DateUtils.formatDate(mjNews.getReleaseTime(),DateUtils.DATE_FORMAT);
        XMLAppendExample.addXml(url,date,3);
        return this.save(mjNews);
    }

    @Override
    public boolean edit(MjNews mjNews) {
        MjNews mjNews1=this.getById(mjNews.getId());
        BeanUtils.copyProperties(mjNews,mjNews1);
        mjNews1.setUpdateId(MoJiCommonUtils.getUserCode());
        mjNews1.setUpdateTime(new Date());
        return this.updateById(mjNews1);
    }

    @Override
    public MjNews detail(Long id) {
        if(ObjectUtil.isEmpty(id)){
            throw new RuntimeException("主键ID不能为空,请核查!");
        }
        MjNews mjNews=this.getById(id);

        //上一篇
        LambdaQueryWrapper<MjNews> wrapper1 = new LambdaQueryWrapper<>();
        wrapper1.lt(MjNews::getSort,mjNews.getSort());
        wrapper1.orderByAsc(MjNews::getSort);
        wrapper1.last("limit 1");
        MjNews upMjNews=this.getOne(wrapper1);
        if(upMjNews != null){
            mjNews.setUpNewsId(upMjNews.getId());
            mjNews.setUpNewsName(upMjNews.getTitle());
        }

        //下一篇
        LambdaQueryWrapper<MjNews> wrapper2 = new LambdaQueryWrapper<>();
        wrapper2.gt(MjNews::getSort,mjNews.getSort());
        wrapper2.orderByAsc(MjNews::getSort);
        wrapper2.last("limit 1");
        MjNews nextMjNews=this.getOne(wrapper2);
        if(nextMjNews != null){
            mjNews.setNextNewsId(nextMjNews.getId());
            mjNews.setNextNewsName(nextMjNews.getTitle());
        }
        return mjNews;
    }
}
